Sugilite and Caledonite Physical Properties

Sugilite

Caledonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.69-2.795.6-5.76

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

Poor on {0001}

[001] perfect; [100] distinct

1.7 Mohs Hardness

5.5-6.52.5-3

2 10

1.8 Chemical Composition

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Sugilite and Caledonite Chemical Formula

While comparing Sugilite and Caledonite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Sugilite and Caledonite chemical formula.

Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

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Sugilite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sugilite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Sugilite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.